iwmc3200wifi: Add new Intel Wireless Multicomm 802.11 driver
This driver supports Intel's full MAC wireless multicomm 802.11 hardware.
Although the hardware is a 802.11agn device, we currently only support
802.11ag, in managed and ad-hoc mode (no AP mode for now).
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Samuel Ortiz <samuel.ortiz@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwmc3200wifi/eeprom.c b/drivers/net/wireless/iwmc3200wifi/eeprom.c
new file mode 100644
index 0000000..0f34b84
--- /dev/null
+++ b/drivers/net/wireless/iwmc3200wifi/eeprom.c
@@ -0,0 +1,187 @@
+/*
+ * Intel Wireless Multicomm 3200 WiFi driver
+ *
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *
+ * Intel Corporation <ilw@linux.intel.com>
+ * Samuel Ortiz <samuel.ortiz@intel.com>
+ * Zhu Yi <yi.zhu@intel.com>
+ *
+ */
+
+#include <linux/kernel.h>
+
+#include "iwm.h"
+#include "umac.h"
+#include "commands.h"
+#include "eeprom.h"
+
+static struct iwm_eeprom_entry eeprom_map[] = {
+ [IWM_EEPROM_SIG] =
+ {"Signature", IWM_EEPROM_SIG_OFF, IWM_EEPROM_SIG_LEN},
+
+ [IWM_EEPROM_VERSION] =
+ {"Version", IWM_EEPROM_VERSION_OFF, IWM_EEPROM_VERSION_LEN},
+
+ [IWM_EEPROM_OEM_HW_VERSION] =
+ {"OEM HW version", IWM_EEPROM_OEM_HW_VERSION_OFF,
+ IWM_EEPROM_OEM_HW_VERSION_LEN},
+
+ [IWM_EEPROM_MAC_VERSION] =
+ {"MAC version", IWM_EEPROM_MAC_VERSION_OFF, IWM_EEPROM_MAC_VERSION_LEN},
+
+ [IWM_EEPROM_CARD_ID] =
+ {"Card ID", IWM_EEPROM_CARD_ID_OFF, IWM_EEPROM_CARD_ID_LEN},
+
+ [IWM_EEPROM_RADIO_CONF] =
+ {"Radio config", IWM_EEPROM_RADIO_CONF_OFF, IWM_EEPROM_RADIO_CONF_LEN},
+
+ [IWM_EEPROM_SKU_CAP] =
+ {"SKU capabilities", IWM_EEPROM_SKU_CAP_OFF, IWM_EEPROM_SKU_CAP_LEN},
+
+ [IWM_EEPROM_CALIB_RXIQ_OFFSET] =
+ {"RX IQ offset", IWM_EEPROM_CALIB_RXIQ_OFF, IWM_EEPROM_INDIRECT_LEN},
+
+ [IWM_EEPROM_CALIB_RXIQ] =
+ {"Calib RX IQ", 0, IWM_EEPROM_CALIB_RXIQ_LEN},
+};
+
+
+static int iwm_eeprom_read(struct iwm_priv *iwm, u8 eeprom_id)
+{
+ int ret;
+ u32 entry_size, chunk_size, data_offset = 0, addr_offset = 0;
+ u32 addr;
+ struct iwm_udma_wifi_cmd udma_cmd;
+ struct iwm_umac_cmd umac_cmd;
+ struct iwm_umac_cmd_eeprom_proxy eeprom_cmd;
+
+ if (eeprom_id > (IWM_EEPROM_LAST - 1))
+ return -EINVAL;
+
+ entry_size = eeprom_map[eeprom_id].length;
+
+ if (eeprom_id >= IWM_EEPROM_INDIRECT_DATA) {
+ /* indirect data */
+ u32 off_id = eeprom_id - IWM_EEPROM_INDIRECT_DATA +
+ IWM_EEPROM_INDIRECT_OFFSET;
+
+ eeprom_map[eeprom_id].offset =
+ *(u16 *)(iwm->eeprom + eeprom_map[off_id].offset) << 1;
+ }
+
+ addr = eeprom_map[eeprom_id].offset;
+
+ udma_cmd.eop = 1;
+ udma_cmd.credit_group = 0x4;
+ udma_cmd.ra_tid = UMAC_HDI_ACT_TBL_IDX_HOST_CMD;
+ udma_cmd.lmac_offset = 0;
+
+ umac_cmd.id = UMAC_CMD_OPCODE_EEPROM_PROXY;
+ umac_cmd.resp = 1;
+
+ while (entry_size > 0) {
+ chunk_size = min_t(u32, entry_size, IWM_MAX_EEPROM_DATA_LEN);
+
+ eeprom_cmd.hdr.type =
+ cpu_to_le32(IWM_UMAC_CMD_EEPROM_TYPE_READ);
+ eeprom_cmd.hdr.offset = cpu_to_le32(addr + addr_offset);
+ eeprom_cmd.hdr.len = cpu_to_le32(chunk_size);
+
+ ret = iwm_hal_send_umac_cmd(iwm, &udma_cmd,
+ &umac_cmd, &eeprom_cmd,
+ sizeof(struct iwm_umac_cmd_eeprom_proxy));
+ if (ret < 0) {
+ IWM_ERR(iwm, "Couldn't read eeprom\n");
+ return ret;
+ }
+
+ ret = iwm_notif_handle(iwm, UMAC_CMD_OPCODE_EEPROM_PROXY,
+ IWM_SRC_UMAC, 2*HZ);
+ if (ret < 0) {
+ IWM_ERR(iwm, "Did not get any eeprom answer\n");
+ return ret;
+ }
+
+ data_offset += chunk_size;
+ addr_offset += chunk_size;
+ entry_size -= chunk_size;
+ }
+
+ return 0;
+}
+
+u8 *iwm_eeprom_access(struct iwm_priv *iwm, u8 eeprom_id)
+{
+ if (!iwm->eeprom)
+ return ERR_PTR(-ENODEV);
+
+ return iwm->eeprom + eeprom_map[eeprom_id].offset;
+}
+
+int iwm_eeprom_init(struct iwm_priv *iwm)
+{
+ int i, ret = 0;
+ char name[32];
+
+ iwm->eeprom = kzalloc(IWM_EEPROM_LEN, GFP_KERNEL);
+ if (!iwm->eeprom)
+ return -ENOMEM;
+
+ for (i = IWM_EEPROM_FIRST; i < IWM_EEPROM_LAST; i++) {
+#ifdef CONFIG_IWM_B0_HW_SUPPORT
+ if (iwm->conf.hw_b0 && (i >= IWM_EEPROM_INDIRECT_OFFSET))
+ break;
+#endif
+ ret = iwm_eeprom_read(iwm, i);
+ if (ret < 0) {
+ IWM_ERR(iwm, "Couldn't read eeprom entry #%d: %s\n",
+ i, eeprom_map[i].name);
+ break;
+ }
+ }
+
+ IWM_DBG_BOOT(iwm, DBG, "EEPROM dump:\n");
+ for (i = IWM_EEPROM_FIRST; i < IWM_EEPROM_LAST; i++) {
+ memset(name, 0, 32);
+ sprintf(name, "%s: ", eeprom_map[i].name);
+
+ IWM_HEXDUMP(iwm, DBG, BOOT, name,
+ iwm->eeprom + eeprom_map[i].offset,
+ eeprom_map[i].length);
+ }
+
+ return ret;
+}
+
+void iwm_eeprom_exit(struct iwm_priv *iwm)
+{
+ kfree(iwm->eeprom);
+}